Home / 591,241.08-815,912.50-319,309.04

Finding the Fourth Proportional to 591,241.08, 815,912.50 and 319,309.04

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Solution

The fourth proportional to 591,241.08, 815,912.50 and 319,309.04 is: 440,646.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,241.08 : 815,912.50 = 319,309.04 : x
  2. Step 2: Convert to fraction form
    591,241.08/815,912.50 = 319,309.04/x
  3. Step 3: Cross multiply
    591,241.08x = 815,912.50 × 319,309.04
  4. Step 4: Simplify right side
    591,241.08x = 260,528,237,099.00
  5. Step 5: Solve for x
    x = 260,528,237,099.00/591,241.08
  6. Step 6: Final answer
    x = 440,646.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.